The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 2021
Filed:
Apr. 30, 2020
Applicant:
Southeast University, Nanjing, CN;
Inventors:
Assignee:
SOUTHEAST UNIVERSITY, Nanjing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/00 (2006.01); H02M 3/07 (2006.01); H03K 3/037 (2006.01);
U.S. Cl.
CPC ...
H02M 1/0032 (2021.05); H02M 3/07 (2013.01); H03K 3/037 (2013.01);
Abstract
An ultra-low-power mode control circuit for a power converter includes four modules: a level shift circuit, a start circuit, a static clamp circuit, and a control circuit. When a chip is powered on and a core voltage has not been established, the control circuit firstly starts a power source built-in clock to support operation of the power converter. When the core voltage is established, the control circuit determines whether to switch to an external clock according to a level of a mode selection signal. After the core voltage is powered down, the control circuit automatically wakes up the built-in clock to work.